Product Overview
The AeroCast-Fe32 Precision Turbine Blade is a high-integrity, NADCAP-certified rotating airfoil engineered for medium-power aeroengines. Manufactured from A286 stainless superalloy—a precipitation-hardened, iron-nickel-chromium material renowned for exceptional strength retention up to 700°C—this blade delivers superior creep resistance, thermal fatigue performance, and oxidation stability under sustained high-RPM and elevated-temperature conditions. With a precise 285mm chord length and aerodynamically optimized profile, it meets stringent OEM dimensional tolerances (±0.05 mm) and surface finish requirements (Ra ≤ 0.4 µm). As a flagship offering in our precision investment casting portfolio, the AeroCast-Fe32 represents the convergence of advanced metallurgy, digital twin–informed process control, and aerospace-grade quality assurance.
Key Features
- NADCAP-certified casting and heat treatment processes (AC7102/3 & AC7118)
- A286 stainless superalloy with full microstructural certification (grain size ASTM 5–7, δ-phase controlled)
- Integrated root geometry (fir-tree or dovetail) machined to AS9100 Rev D tolerances
- Surface integrity validated via fluorescent penetrant inspection (FPI) and X-ray CT scanning
- Traceable lot documentation including MTRs, CofC, and non-destructive test reports
Technical Specifications
| Parameter |
Value |
| Material |
A286 Stainless Superalloy (AMS 5732 / AMS 5525) |
| Chord Length |
285 mm ± 0.05 mm |
| Span Length |
120 mm ± 0.10 mm |
| Root Type |
Fir-tree (AS7471 compliant) |
| Hardness (HRC) |
38–42 HRC (after aging) |
| Tensile Strength (RT) |
1380 MPa min |
| Yield Strength (700°C) |
620 MPa min |
| Surface Finish |
Ra ≤ 0.4 µm (airfoil), Ra ≤ 0.8 µm (root) |
| Weight |
1.82 kg ± 2% |
| Inspection Standard |
ASTM E1417, ASTM E192, AMS 2640 |
| Quality Certification |
NADCAP AC7102/3 (Casting), AC7118 (Heat Treat) |
| Traceability |
Laser-etched part ID + QR code (per AS9132) |
Applications
The AeroCast-Fe32 turbine blades are purpose-built for medium-power turbine sections—including low-pressure (LP) and intermediate-pressure (IP) stages—in military and civil turbofan/turboprop engines. Ideal for platforms requiring high thrust-to-weight ratios and extended service life, these turbine blades support next-generation propulsion systems where reliability under cyclic thermal-mechanical loading is critical. As a certified A286 turbine blade, it serves as a drop-in replacement or upgrade path for legacy components. Its NADCAP turbine casting pedigree ensures compliance across global Tier-1 supply chains, while the AeroCast-Fe32 designation signals adherence to proprietary process windows validated across 12,000+ production cycles. Target applications include regional jet APUs, UAV propulsion units, and auxiliary power turbines—making it a strategic solution among medium-power turbine blades.
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